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3/4X3/8 XH BLK MI REDUCER
Manufacturer Resources
Product Specs
- Dimensions Specification:
- ASME B16.3
- End Conn Size 1:
- FPT
- End Conn Size 2:
- FPT
- Material Specification:
- ASTM A-197
- Pressure Rating Specification:
- ASME B16.3
- Size 1:
- 0.75
- Size 2:
- 0.375
- Strength:
- XH
- Thread Specification:
- ASME B1.20.1
- Ul Fm:
- Yes
- Department:
- Plumbing
- Product Group:
- Pipe Fittings
- Product Subgroup:
- Reducers
- Product Type:
- Reducer
- Product Finish:
- Black
- Product Material:
- Malleable Iron
- Product Weight:
- 0.47 lbs
ASC Engineered Solutions 310542006 – Frequently Asked Questions
1) What pipe sizes does the ASC Engineered Solutions 3/4 x 3/8 black malleable iron reducer connect?
It takes 3/4 inch pipe on the large end and 3/8 inch on the small end, both female pipe thread. Threads are cut to ASME B1.20.1 (NPT), so it mates with standard threaded black or galvanized steel pipe and nipples of those sizes.
2) Is this a bushing or a coupling-style reducer?
It is a reducing coupling, not a bushing: both ends are female threaded (FPT), so pipe or a nipple threads into each side. A bushing would have male threads on the large end to screw into a fitting. If you need to step down inside an existing fitting port, a bushing is the part to buy instead.
3) What does the XH rating mean on this malleable iron reducer, and can I use it on a higher pressure line?
XH is extra heavy, the 300 class malleable iron pattern: heavier wall and a higher pressure rating than a standard 150 class fitting of the same size. Pressure ratings follow ASME B16.3 and dimensions are built to that same standard, so it interchanges dimensionally with other B16.3 extra heavy fittings. Rate the line by the B16.3 class 300 value for the service temperature you are running.
4) Is this reducer approved for fire sprinkler piping?
It carries UL/FM approval, so it can be used on fire protection piping where a listed threaded malleable iron fitting is called for. The extra heavy (XH) build and ASME B16.3 pressure rating are what sprinkler contractors typically specify for threaded branch work.
5) Can I use a black malleable iron reducer on a potable water line?
No. Black malleable iron is for non-potable service, typically gas, fire protection, steam, and compressed air lines. The black finish is uncoated iron and will rust in wet potable service. For domestic water use galvanized, copper, or brass fittings instead.
6) What material spec does this ASC reducer meet for a submittal?
The casting is malleable iron to ASTM A-197, with dimensions and pressure ratings to ASME B16.3 and NPT threads to ASME B1.20.1. That trio is what most mechanical submittals and spec sections ask for on threaded black iron fittings.
7) Do I need thread sealant with this fitting?
Yes. These are tapered NPT threads to ASME B1.20.1, which seal on the thread flank, so pipe dope or PTFE tape rated for the service (gas-rated sealant on fuel gas lines) goes on the male pipe threads before you make up the joint. No gasket or O-ring is used or included.
8) What is the part number and weight on the 3/4 x 3/8 XH black reducer?
The ASC Engineered Solutions part number is 310542006 and it weighs 0.47 lbs. Useful when you are counting fittings for a freight estimate or matching against a takeoff list.
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Can I return it if it doesn’t work for me?
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reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the ASC Engineered Solutions 310542006 come with a warranty?
Absolutely. The ASC Engineered Solutions 310542006 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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